n. 双足飞龙

[ noun ]
a fire-breathing dragon used in medieval heraldry; had the head of a dragon and the tail of a snake and a body with wings and two legs
<noun.person>

Wiver \Wiv"er\, Wivern \Wiv"ern\, n. [OE. wivere a serpent, OF.
wivre, guivre, F. givre, guivre, wiver, from L. vipera;
probably influenced by OHG. wipera, from the Latin. See
{Viper}, and cf. {Weever}.]
1. (Her.) A fabulous two-legged, winged creature, like a
cockatrice, but having the head of a dragon, and without
spurs. [Written also {wyvern}.]

The jargon of heraldry, its griffins, its mold
warps, its wiverns, and its dragons. --Sir W.
Scott.

2. (Zo["o]l.) The weever.